<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表单域标签</title>
</head>
<body>
    <form action="demo.php" method="post" name="name1"></form>
</body>`
</html>